How To Fix CM_SUB_INFOSYS017 - The function is not possible because a cyclic query would result

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SUB_INFOSYS - Substance information system

• Message number: 017

• Message text: The function is not possible because a cyclic query would result

What causes this issue?

You have tried to reference or add a query in a query step. The query
contains a reference to the current reference, either directly or
indirectly through other referenced queries. This would result in an
endless cycle.

System Response

The system has canceled the activity.

How to fix this error?

Choose a query that does not contain direct or indirect references to
the current query.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_INFOSYS017 - The function is not possible because a cyclic query would result ?

  The SAP error message CM_SUB_INFOSYS017 indicates that a cyclic query is being attempted, which is not allowed in the context of the query being executed. This typically occurs in scenarios involving data extraction or reporting where the system detects a circular reference in the data model or query structure.
  Cause:
  
  Cyclic Reference: The most common cause of this error is a cyclic reference in the data model. This can happen if the query is trying to pull data from multiple sources that reference each other in a loop.
  Incorrect Query Design: The query may be designed in such a way that it inadvertently creates a cycle, such as joining tables that reference each other.
  Data Source Configuration: The configuration of the data sources or InfoProviders may have been set up incorrectly, leading to circular dependencies.
  
  Solution:
  
  Review Query Design: Check the design of the query to ensure that there are no circular references. This may involve examining the joins and relationships between the tables or InfoProviders being queried.
  Modify Data Model: If the data model has cyclic dependencies, consider redesigning it to eliminate these cycles. This may involve changing how data is structured or how InfoProviders are linked.
  Use Aggregates: If applicable, consider using aggregate tables that summarize data in a way that avoids the need for cyclic queries.
  Check InfoProvider Settings: Review the settings of the InfoProviders involved in the query to ensure they are configured correctly and do not create circular references.
  Test with Simplified Queries: Start with a simplified version of the query to identify where the cycle is occurring. Gradually add complexity back to the query to pinpoint the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation on query design and data modeling to understand best practices and avoid cyclic references.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CM_SUB_INFOSYS017 error in your SAP environment.